Function cef_label_button_create 

pub unsafe extern "C" fn cef_label_button_create(
    delegate: *mut _cef_button_delegate_t,
    text: *const cef_string_t,
) -> *mut cef_label_button_t

Create a new LabelButton. A |delegate| must be provided to handle the button click. |text| will be shown on the LabelButton and used as the default accessible name.